src/Core/System/Locale/LanguageLocaleCodeProvider.php line 24

  1. <?php declare(strict_types=1);
  3. namespace Shopware\Core\System\Locale;
  5. use Shopware\Core\Framework\Log\Package;
  6. use Shopware\Core\Framework\Routing\Exception\LanguageNotFoundException;
  7. use Shopware\Core\System\Language\LanguageLoaderInterface;
  8. use Symfony\Contracts\Service\ResetInterface;
  10. #[Package('system-settings')]
  11. class LanguageLocaleCodeProvider implements ResetInterface
  12. {
  13.     private array $languages = [];
  15.     /**
  16.      * @internal
  17.      */
  18.     public function __construct(private readonly LanguageLoaderInterface $languageLoader)
  19.     {
  20.     }
  22.     public function getLocaleForLanguageId(string $languageId): string
  23.     {
  24.         $languages = $this->getLanguages();
  26.         if (!\array_key_exists($languageId, $languages)) {
  27.             throw new LanguageNotFoundException($languageId);
  28.         }
  30.         return $languages[$languageId]['code'];
  31.     }
  33.     /**
  34.      * @param array<string> $languageIds
  35.      */
  36.     public function getLocalesForLanguageIds(array $languageIds): array
  37.     {
  38.         $languages = $this->getLanguages();
  40.         $requestedLanguages = array_intersect_key($languages, array_flip($languageIds));
  42.         return array_column($requestedLanguages, 'code', 'id');
  43.     }
  45.     public function reset(): void
  46.     {
  47.         $this->languages = [];
  48.     }
  50.     private function getLanguages(): array
  51.     {
  52.         if (\count($this->languages) === 0) {
  53.             $this->languages = $this->resolveParentLanguages(
  54.                 $this->languageLoader->loadLanguages()
  55.             );
  56.         }
  58.         return $this->languages;
  59.     }
  61.     /**
  62.      * resolves the inherited languages codes, so we have a guaranteed language code for each language id
  63.      * we can't do it in the language loader as other places (e.g. DAL writes) expect that the translation code is unique
  64.      */
  65.     private function resolveParentLanguages(array $languages): array
  66.     {
  67.         foreach ($languages as &$language) {
  68.             if ($language['code'] !== null || $language['parentId'] === null) {
  69.                 continue;
  70.             }
  72.             $language['code'] = $languages[$language['parentId']]['code'] ?? null;
  73.         }
  75.         return $languages;
  76.     }
  77. }